https://wccftech.com/over-15-of-windows-10-devices-are-running-windows-10-1909/

Data from AdDuplex is out for the month of January sharing details of the market share of different Windows 10 versions. While everyone is interested to know how good version 1909 is doing, it's the May 2019 Update that's topping the charts, running on over half of all the Windows 10 devices.

Windows 10 May 2019 Update "is now on 53.4% of Windows 10 PCs and November 2019 Update is on 15.2%," the report notes adding that "more than 90,000 Windows 10 PCs were surveyed” for this report.